149627201482991 has 2 divisors, whose sum is σ = 149627201482992. Its totient is φ = 149627201482990.

The previous prime is 149627201482921. The next prime is 149627201483101. The reversal of 149627201482991 is 199284102726941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149627201482991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149627201482921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74813600741495 + 74813600741496.

It is an arithmetic number, because the mean of its divisors is an integer number (74813600741496).

Almost surely, 2^{149627201482991} is an apocalyptic number.

149627201482991 is a deficient number, since it is larger than the sum of its proper divisors (1).

149627201482991 is an equidigital number, since it uses as much as digits as its factorization.

149627201482991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 149627201482991 in words is "one hundred forty-nine trillion, six hundred twenty-seven billion, two hundred one million, four hundred eighty-two thousand, nine hundred ninety-one".